2011 Mazda CX-9 Mazda CX-9 2011

We are 108,000+ car owners sharing real-world car information.

Join Us

2011 Mazda CX-9 repairs by problem area

Engine (15%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (22%)

Suspension and Steering (7%)

Electrical and Air Conditioning (20%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (15%)

Chart based on 59 repairs.
See TSBs and recalls for the 2011 Mazda CX-9.

2011 Mazda CX-9 repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (10%)

$100 - $499 (25%)

< $100 (65%)

Chart based on 48 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2011 Mazda CX-9 repair histories. Log in or join us to see them all.

2011 Mazda CX-9

Engine not specified

Mazda in Victoria, Australia
Feb 2011 - Apr 2011
Mar 2011

3100 mi
Initially, knocking noise from front right, mainly when turning left (no brakes applied). Ended up happening also when driving slowly and turning steering wheel left to right. Work Done: Replaced right engine mount. Fixed problem. Right drivers window was not tracking correctly and was rattling when when down part way while driving. Action taken: Replaced window motor and readjusted window to align correctly. Rear power tail gate would not lock correctly when closing. Intermitent. Action Taken: Greased, realigned hatch. Now working. 

Return to top

2011 Mazda CX-9 4dr SUV

273-horsepower 3.7L V6 6-speed shiftable automatic FWD

Mazda CX-9 in Texas, United States
Sep 2013 - Sep 2017
Nov 2016

53100 mi
Power braking system was leaking 
Mazda CX-9 in Texas, United States
Apr 2012 - Jun 2016
Jun 2013

26000 mi
Somehow the housing for the cabin filter was broken. No one knows how. Maybe the company that did our inspection broke it without telling us. 
Mazda CX-9 in Florida, United States
Feb 2014 - Oct 2017
Apr 2015

44200 mi

US $150
Brake booster failure. Fixed under Mazda's extended warranty as it was a known issue for the model year. Passenger side power window motor failure 
Mazda CX-9 in Alabama, United States
Sep 2011 - Sep 2017
Oct 2015

116500 mi

US $350
Driver's side window motor failed. 
Feb 2017

155000 mi

US $360
Passenger side window motor failed. They replaced the motor. 
Mazda CX-9 in California, United States
Aug 2014 - Feb 2016
Sep 2014

44000 mi

US $150
Battery needed to be replaced. 
Mazda CX-9 in Texas, United States
Jul 2015 - Oct 2017
Sep 2017

79000 mi

US $400
alternator failure 
Mazda CX-9 in California, United States
Sep 2015 - Oct 2017
May 2017

81000 mi

US $500
Replaced brake Rotors and Pads, Serviced the transmission, and replaced fluid. 
Mazda CX-9 in North Carolina, United States
Jan 2013 - Sep 2017
Jun 2017

153000 mi

US $525
Failed power brake booster was replaced. 
Mazda CX-9 in California, United States
May 2013 - Sep 2017
Jun 2013

46000 mi

US $375
Dealer mechanic disassembled LF axle assembly and added grease to location recommend by factory TSP. 
Nov 2015

80000 mi

US $150
Driver's door power lock actuator/latch replacement 
Mar 2016

84000 mi

US $200
Replaced howling left wheel bearing/hub assembly 
Oct 2016

94500 mi

US $300
Brake booster failure. A TSB advised of some known defective units, advised free dealer replacement up to 90,000 miles. Mine failed at 91.500. Dealer split cost. 
Mazda CX-9 in Washington, United States
Sep 2011 - Dec 2014
Nov 2011

1000 mi
We've noticed driver side mirror vibration. Problem was reproduced during test drive with a service tech. After that they inspected a mirror for possible tightening issues and decided to order a new one. Dealer installed new mirror, but this didn't fix the problem. 
Dec 2011

1000 mi
Dealer again confirmed problem with vibrating driver side mirror. This time they've contacted Mazda and ordered "some special kit, which will solve the issues". Dealer installed repair kit, but broke the mirror and had to order a new one, which delayed a repair to 5 days total. Rental car was provided at the dealer expense. Unfortunatelly there is no improvement after repair was finished. 
Mazda CX-9 in Tennessee, United States
May 2011 - Nov 2011
Nov 2011

8000 mi
11-2-11 A/C - started blowing hot air - had to reprogram - Mazda had a service notice on it but not notifying anyone - just reprogram if owner starts having problem 
Mazda CX-9 in Texas, United States
Jul 2011 - Oct 2017
Apr 2016

55000 mi
Brake booster covered under warrantee 
Mazda CX-9 in Texas, United States
Apr 2011 - Jul 2016
Sep 2011

5000 mi
heard a slight ticking noise from the engine under light load and low RPM. dealer could not replicate but advised that Mazda is aware of this common issue and has issued a notice that they are aware of the sound but not to be concerned. 
Feb 2012

9000 mi
Windshield wiper mechanism was grinding, dealer replaced front wiper link Ticking noise coming from engine off idle. 
Mar 2012

10000 mi
brake switch failed and replaced under warranty. 
Apr 2012

11000 mi
dealer agreed to replace engine to resolve the ongoing ticking issue 
Aug 2015

60000 mi
the brake vacuum booster failed (a known issue covered by a recall) 
Mazda CX-9 in Delaware, United States
Feb 2011 - Jan 2012
Sep 2011

12000 mi
Loud buzzing metal rattle from underneath vehicle towards firewall when accelerating, low speed to near shift points as engine revs. Sounds like loud exhaust rumble. Could not duplicate when at dealer, but vehicle inspected underneath. 
Mazda CX-9 in Arizona, United States
Mar 2011 - Oct 2013
Aug 2011

5700 mi
ABS systen returned a fault code so they replaced it 
Oct 2013

30000 mi
Replace Fuel Sensor Chrome was pealing off the Mazda emblem on the front 
Mazda CX-9 in Louisiana, United States
Jun 2011 - Sep 2017
Jul 2011 Bracket lose behind driver side dash board. The issue was promptly fixed in 1 day. 
Mar 2015

27000 mi
Broken driver side window motor. 
Mar 2017

47000 mi
Passenger side airbag 

Return to top

2011 Mazda CX-9 4dr SUV

273-horsepower 3.7L V6 6-speed shiftable automatic AWD

Mazda CX-9 in California, United States
Feb 2011 - Mar 2015
Feb 2012

8000 mi
Replaced the window regulator on driver side because I thought it made noise :) 
Mazda CX-9 in Michigan, United States
Mar 2011 - Sep 2017
Feb 2014

55000 mi
The transfer case failed, and when it was removed the tech discovered the transmission was also damaged. They replaced both under warranty. 
Mar 2014

56000 mi
During previous repair, mechanic missed some of the clips holding in the wheel well liners. They came loose, fell down and rubbed against my tires, and had to be replaced. 
Oct 2016

106000 mi
The brake booster failed. It would have been a warranty repair if I'd been under 80,000 miles. 
Mar 2017

115000 mi

US $400
Replaced front brake pads. 
Jun 2017

119000 mi

US $750
Wheel bearings on my rear drivers side wheel went bad - had to be replaced. And now the front drivers side wheel is making noise too. :-/ 
Mazda CX-9 in Pennsylvania, United States
Aug 2015 - Sep 2017
Jul 2017

96000 mi

US $670
Brake booster failed 
Mazda CX-9 in Alberta, Canada
Aug 2011 - Jul 2015
Dec 2011

4960 mi

C $54
Hesitates when starting from time to time. Have to let it crake for a while and some times have to turn it off and try again. When taking in for oil change no problem was found, as it started fine each time tried 
Mazda CX-9 in Pennsylvania, United States
Sep 2013 - Oct 2017
Sep 2017

56000 mi

US $180
Corrosion on exhaust pipe with hole in system. New pipes fabricated and replaced corroded ones. 
Mazda CX-9 in Vermont, United States
Apr 2011 - Jul 2017
Mar 2012

15000 mi
valve body leak 
Nov 2012

23100 mi
In cruise control and 40-55 mph on a slight up slope the transmission will surge about 500 rpm between 1500 & 2000 many many times before it will shift or lock on to a given rpm 
Jun 2016

41000 mi
Surging since car new. Found tsp that addressed the problem called madza got them to look at it. Couldn't make it do it for the factory rep but he agreededto do the latest update to the software. Problem solved 
Mazda CX-9 in New York, United States
Apr 2011 - Sep 2014
Jan 2012

13700 mi
Problem with tailgate not locking shut. Update: later went away on its own. 
Mazda CX-9 in Ontario, Canada
Jun 2011 - Jul 2014
Mar 2014

42780 mi
power steering pump failed dealer still has it pump not in after 10 days in shop,truck is unsafe to drive.email to Mazda they don't care either,shame on you Mazda its a Ford part and I found 6 locally at dealers in Sault Ste.Marie Ontario 
Apr 2014

42780 mi
truck was in shop for 29 days waiting for a new power steering pump to come from Japan WOW a power steering pump from Japan good job Mazda,now I get a notice that advises 4wd transfer cases are bad and warranty is extended to 140k on this!!! 
Mazda CX-9 in Pennsylvania, United States
Aug 2013 - Sep 2016
May 2014

43000 mi

US $200
Drivers side headlight had water inside the assembly. Had a bad seal. Had to replace entire headlight assembly. 
Apr 2015

59700 mi
Had to replace transfer case. Total cost was under warranty. 
Mazda CX-9 in Minnesota, United States
Sep 2012 - Apr 2017
Nov 2013

19000 mi
Rear axle seals replaced 
Mazda CX-9 in Washington, United States
Mar 2014 - Dec 2016
Oct 2016

59000 mi
The electric hatchback opened and closed fine, but would not latch properly. It needed a shove before it was firmly shut. The dealer replaced the motor, but that did not fix it. They then replaced all the parts with newly designed. 
Mazda CX-9 in Massachusetts, United States
Aug 2014 - Aug 2017
Nov 2015

39100 mi
Was an occasional rattle; Mazda dealer found 1 rivet was off on the gas tank shield, so they installed a rivet for $14. Sound came back after a week. Was there getting an inspection stkr & inspecting the front end for the recall; no issue. 
Nov 2016

48800 mi

US $7
Had been making a low frequency "whining" noise when driving around 25-40mph. Mazda dlr said it needed a new power transfer unit, which also started to damage the transmission; both were replaced for free; retail cost: $9K! Free loaner suv. 
Mazda CX-9 in Massachusetts, United States
Mar 2013 - Sep 2017
Jul 2016

80700 mi
Replaced failed purge valve 
Jun 2017

94000 mi

US $650
Brake booster replaced due to known design issue resulting in leaks and loss of stopping power. Extended warranty for this design issue ended in 2015. 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all Mazda models.

2011 Mazda CX-9 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2011 Mazda CX-9 problems occur, check out our car reliability stats.